Home / 340,325.45-469,640.54-187,362.12

Finding the Fourth Proportional to 340,325.45, 469,640.54 and 187,362.12

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Solution

The fourth proportional to 340,325.45, 469,640.54 and 187,362.12 is: 258,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,325.45 : 469,640.54 = 187,362.12 : x
  2. Step 2: Convert to fraction form
    340,325.45/469,640.54 = 187,362.12/x
  3. Step 3: Cross multiply
    340,325.45x = 469,640.54 × 187,362.12
  4. Step 4: Simplify right side
    340,325.45x = 87,992,847,212.34
  5. Step 5: Solve for x
    x = 87,992,847,212.34/340,325.45
  6. Step 6: Final answer
    x = 258,555.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.